demo_android_ncnn/app/src/main/java/com/rangi/nanodet/WelcomeActivity.java
<reponame>lyphui/nanodetpackage com.rangi.nanodet;

import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.CompoundButton;
import android.widget.ToggleButton;


public class WelcomeActivity extends AppCompatActivity {

    private ToggleButton tbUseGpu;
    private Button nanodet;
    private Button yolov5s;
    private Button yolov4tiny;

    private boolean useGPU = false;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_welcome);

        tbUseGpu = findViewById(R.id.tb_use_gpu);
        tbUseGpu.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
                useGPU = isChecked;
                MainActivity.USE_GPU = useGPU;
                if (useGPU) {
                    AlertDialog.Builder builder = new AlertDialog.Builder(WelcomeActivity.this);
                    builder.setTitle("Warning");
                    builder.setMessage("It may not work well in GPU mode, or errors may occur.");
                    builder.setCancelable(true);
                    builder.setPositiveButton("OK", null);
                    AlertDialog dialog = builder.create();
                    dialog.show();
                }
            }
        });

        nanodet = findViewById(R.id.btn_start_detect0);
        nanodet.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                MainActivity.USE_MODEL = MainActivity.NANODET;
                Intent intent = new Intent(WelcomeActivity.this, MainActivity.class);
                WelcomeActivity.this.startActivity(intent);
            }
        });

        yolov5s = findViewById(R.id.btn_start_detect1);
        yolov5s.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                MainActivity.USE_MODEL = MainActivity.YOLOV5S;
                Intent intent = new Intent(WelcomeActivity.this, MainActivity.class);
                WelcomeActivity.this.startActivity(intent);
            }
        });

        yolov4tiny = findViewById(R.id.btn_start_detect2);
        yolov4tiny.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                MainActivity.USE_MODEL = MainActivity.YOLOV4_TINY;
                Intent intent = new Intent(WelcomeActivity.this, MainActivity.class);
                WelcomeActivity.this.startActivity(intent);
            }
        });

    }

}
